| IPR013497 | DNA topoisomerase, type IA, central | Domain |
| IPR003602 | DNA topoisomerase, type IA, DNA-binding domain | Domain |
| IPR023405 | DNA topoisomerase, type IA, core domain | Homologous Superfamily |
| IPR013825 | DNA topoisomerase, type IA, central region, subdomain 2 | Homologous Superfamily |
| IPR003601 | DNA topoisomerase, type IA, domain 2 | Domain |
| IPR000380 | DNA topoisomerase, type IA | Family |
| IPR013826 | DNA topoisomerase, type IA, central region, subdomain 3 | Homologous Superfamily |
| IPR006171 | TOPRIM domain | Domain |
| IPR023406 | DNA topoisomerase, type IA, active site | Active Site |
| IPR034144 | DNA topoisomerase 3-like, TOPRIM domain | Domain |
| IPR013824 | DNA topoisomerase, type IA, central region, subdomain 1 | Homologous Superfamily |
| IPR002999 | Tudor domain | Domain |
| IPR047379 | Tudor domain-containing protein 3, Tudor domain | Domain |
| IPR013894 | RecQ mediated genome instability protein 1, OB-fold domain | Domain |
| IPR042470 | RecQ mediated genome instability protein, N-terminal OB-fold domain superfamily | Homologous Superfamily |
| IPR041915 | Tudor domain-containing protein 3, UBA domain | Domain |
| IPR009060 | UBA-like superfamily | Homologous Superfamily |
| IPR015940 | Ubiquitin-associated domain | Domain |
| IPR013497 | DNA topoisomerase, type IA, central | Domain |
| IPR003602 | DNA topoisomerase, type IA, DNA-binding domain | Domain |
| IPR023405 | DNA topoisomerase, type IA, core domain | Homologous Superfamily |
| IPR013825 | DNA topoisomerase, type IA, central region, subdomain 2 | Homologous Superfamily |
| IPR003601 | DNA topoisomerase, type IA, domain 2 | Domain |
| IPR000380 | DNA topoisomerase, type IA | Family |
| IPR013826 | DNA topoisomerase, type IA, central region, subdomain 3 | Homologous Superfamily |
| IPR006171 | TOPRIM domain | Domain |
| IPR023406 | DNA topoisomerase, type IA, active site | Active Site |
| IPR034144 | DNA topoisomerase 3-like, TOPRIM domain | Domain |
| IPR013824 | DNA topoisomerase, type IA, central region, subdomain 1 | Homologous Superfamily |